EP0025457A4 - Liquid crystal display panel and process for producing same. - Google Patents

Liquid crystal display panel and process for producing same.

Info

Publication number
EP0025457A4
EP0025457A4 EP19800900559 EP80900559A EP0025457A4 EP 0025457 A4 EP0025457 A4 EP 0025457A4 EP 19800900559 EP19800900559 EP 19800900559 EP 80900559 A EP80900559 A EP 80900559A EP 0025457 A4 EP0025457 A4 EP 0025457A4
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
crystal display
display panel
producing same
producing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19800900559
Other languages
German (de)
French (fr)
Other versions
EP0025457A1 (en
EP0025457B1 (en
Inventor
Hiroshi Ricoh Watch Co L Inoue
Nobuo Ricoh Watch Co L Tooyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP54089665A external-priority patent/JPS5822729B2/en
Priority claimed from JP13198579A external-priority patent/JPS5655921A/en
Priority claimed from JP13905279A external-priority patent/JPS5662227A/en
Priority to AT80900559T priority Critical patent/ATE8184T1/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP0025457A1 publication Critical patent/EP0025457A1/en
Publication of EP0025457A4 publication Critical patent/EP0025457A4/en
Application granted granted Critical
Publication of EP0025457B1 publication Critical patent/EP0025457B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/06—Substrate layer characterised by chemical composition
EP80900559A 1979-03-19 1980-10-08 Liquid crystal display panel and process for producing same Expired EP0025457B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80900559T ATE8184T1 (en) 1979-03-19 1980-03-17 LIQUID CRYSTAL DISPLAY PANELS AND METHOD OF PRODUCTION.

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP32000/79 1979-03-19
JP3200079 1979-03-19
JP54089665A JPS5822729B2 (en) 1979-07-13 1979-07-13 lcd display panel
JP89665/79 1979-07-13
JP13198579A JPS5655921A (en) 1979-10-12 1979-10-12 Liquid crystal display panel and its manufacture
JP131985/79 1979-10-12
JP13905279A JPS5662227A (en) 1979-10-26 1979-10-26 Liquid crystal display panel and its production
JP139052/79 1979-10-26

Publications (3)

Publication Number Publication Date
EP0025457A1 EP0025457A1 (en) 1981-03-25
EP0025457A4 true EP0025457A4 (en) 1981-08-27
EP0025457B1 EP0025457B1 (en) 1984-06-27

Family

ID=27459535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80900559A Expired EP0025457B1 (en) 1979-03-19 1980-10-08 Liquid crystal display panel and process for producing same

Country Status (5)

Country Link
US (1) US4409268A (en)
EP (1) EP0025457B1 (en)
DE (1) DE3068341D1 (en)
GB (1) GB2057705A (en)
WO (1) WO1980002079A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58143305A (en) * 1982-02-22 1983-08-25 Hitachi Ltd Display panel
DE3235275A1 (en) * 1982-09-23 1984-03-29 Siemens AG, 1000 Berlin und 8000 München Liquid-crystal cell with plastic backing plates
JPS5995513A (en) * 1982-11-25 1984-06-01 Toray Ind Inc Liquid-crystal display cell
US4561726A (en) * 1983-07-29 1985-12-31 At&T Bell Laboratories Alignment of ferroelectric LCDs
US4674840A (en) * 1983-12-22 1987-06-23 Polaroid Corporation, Patent Dept. Liquid crystal display with polarizer and biaxial birefringent support
US4707079A (en) * 1984-02-15 1987-11-17 Canon Kabushiki Kaisha Liquid crystal panel having uniaxially-stretched substrates
US4615919A (en) * 1984-10-09 1986-10-07 Canon Kabushiki Kaisha Liquid crystal device
JPH0664238B2 (en) * 1985-05-24 1994-08-22 宏 木村 High temperature microscope
JP2632673B2 (en) * 1986-09-14 1997-07-23 東洋紡績 株式会社 Electrode substrate for liquid crystal display panel
US5213853A (en) * 1991-11-26 1993-05-25 Eastman Kodak Company Photosensitive crosslinkable polyester alignment layers for liquid crystal displays
JP3364081B2 (en) * 1995-02-16 2003-01-08 株式会社半導体エネルギー研究所 Method for manufacturing semiconductor device
US5757456A (en) * 1995-03-10 1998-05-26 Semiconductor Energy Laboratory Co., Ltd. Display device and method of fabricating involving peeling circuits from one substrate and mounting on other
JP4050474B2 (en) * 2001-02-26 2008-02-20 株式会社小糸製作所 Discharge lamp lighting circuit
TWI362644B (en) * 2003-01-16 2012-04-21 Semiconductor Energy Lab Liquid crystal display device and manufacturing method therof
TWI380080B (en) 2003-03-07 2012-12-21 Semiconductor Energy Lab Liquid crystal display device and method for manufacturing the same
US8049851B2 (en) * 2007-06-26 2011-11-01 Semiconductor Energy Laboratory Co., Ltd. Method for manufacturing a liquid crystal display device having a second orientation film surrounding a first orientation film

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961843A (en) * 1974-06-29 1976-06-08 Dai Nippon Toryo Kabushiki Kaisha Liquid crystal electro-optical device
US3991241A (en) * 1974-06-13 1976-11-09 Tokyo Shibaura Electric Co., Ltd. Liquid crystal device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5146966A (en) * 1974-10-18 1976-04-22 Matsushita Electric Ind Co Ltd NEJIREGATAEKISHOHYOJIBAN
JPS5156651A (en) * 1974-11-14 1976-05-18 Canon Kk EKISHOSERU
JPS5223358A (en) * 1975-08-15 1977-02-22 Hitachi Ltd Process for fabricating a membrane for controlling the orientation of a liquid crystal display unit
US4132464A (en) * 1976-02-06 1979-01-02 Hideki Ishii Liquid crystal device
JPS52148153A (en) * 1976-06-04 1977-12-09 Seiko Epson Corp Arrangement of glass plate used for liquid crystal display unit
JPS5318398A (en) * 1976-08-03 1978-02-20 Sumitomo Bakelite Co Liquid crystal display unit
JPS5823609B2 (en) * 1976-08-11 1983-05-16 セイコーエプソン株式会社 Panel glass for liquid crystal display
JPS5333642A (en) * 1976-09-09 1978-03-29 Seiko Epson Corp Liquid crystal display

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991241A (en) * 1974-06-13 1976-11-09 Tokyo Shibaura Electric Co., Ltd. Liquid crystal device
US3961843A (en) * 1974-06-29 1976-06-08 Dai Nippon Toryo Kabushiki Kaisha Liquid crystal electro-optical device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXTENDED ABSTRACTS, The Electrochemical Society, Inc., Fall Meeting Las Vegas, Nevada, Vol. 76-2, October 17-22, 1976 Las Vegas, U.S.A. AARON W. LEVINE et al.: "Alignment of liquid crystals on plasma synthesized polymer films: effects of composition", pages 559,560. *
IBM TECHNICAL DISCLOSURE BULLETIN, Vol. 21, No. 11, April 1979, pages 4724-4726 New York, U.S.A. A. VIRAM et al.: "Optically illuminating and electrically and thermally addressing a liquid crystal display". *

Also Published As

Publication number Publication date
GB2057705A (en) 1981-04-01
EP0025457A1 (en) 1981-03-25
EP0025457B1 (en) 1984-06-27
US4409268A (en) 1983-10-11
WO1980002079A1 (en) 1980-10-02
DE3068341D1 (en) 1984-08-02

Similar Documents

Publication Publication Date Title
GB2069213B (en) Luquid crystal display panel
HK6486A (en) Liquid crystal displays
GB2065321B (en) Two-layer liquid crystal display panel
JPS5377495A (en) Liquid crystal display panel
JPS55161273A (en) Liquid crystal display unit and producing same
JPS5642211A (en) Liquid crystal display and production thereof
JPS55108691A (en) Liquid crystal display
HK30388A (en) Liquid crystal display and fabrication process
GB2021084B (en) Process for producing liquid crystal display element
EP0025457A4 (en) Liquid crystal display panel and process for producing same.
GB2064843B (en) Large-area liquid crystal display panel and method for making it
JPS5546718A (en) Liquid crystal display and producing same
JPS5614281A (en) Liquid crystal display
JPS5677884A (en) Liquid crystal panel
JPS5614282A (en) Matrix liquid crystal display panel
JPS5562479A (en) Liquid crystal display panel
JPS5660481A (en) Liquid crystal display panel
JPS55133080A (en) Double layer liquid crystal panel
JPS5595981A (en) Twist nematic liquid crystal display panel
JPS5536859A (en) Display panel for liquid crystal and like
JPS5657086A (en) Liquid crystal display panel
JPS5630172A (en) Liquid crystal display panel
GB2065354B (en) Addressing liquid crystal displays
JPS5683780A (en) Liquid crystal threeedimensional display
JPS55101982A (en) Liquid crystal display unit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT CH DE FR GB LU NL SE

17P Request for examination filed

Effective date: 19810120

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: RICOH COMPANY, LTD

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): AT CH DE FR GB LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19840627

Ref country code: NL

Effective date: 19840627

Ref country code: AT

Effective date: 19840627

REF Corresponds to:

Ref document number: 8184

Country of ref document: AT

Date of ref document: 19840715

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3068341

Country of ref document: DE

Date of ref document: 19840802

ET Fr: translation filed
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19850331

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19890308

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19890328

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19890331

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19890428

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19900317

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Effective date: 19900331

GBPC Gb: european patent ceased through non-payment of renewal fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19901130

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19901201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST